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Streamflow Measurements for the Nation

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USGS 11162735 SAN MATEO C AB JUNCTION BOX A DAM1 NR HILLSBOROUGH


San Mateo County, California
Hydrologic Unit Code 18050004
Latitude  37°33'25.1", Longitude 122°25'05.7" NAD83
Drainage area 2.1  square miles
Gage datum 648.36 feet above NAVD88
Output formats
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Meas.
Number
  Date       Time Time
Datum
Measurement
Used?
  Who Measuring
Agency
Stream
flow
(ft3/s)
Gage
Height
(ft)
GH
Change
(ft)
Meas.
Duration
(hr)
Meas.
Rated
  Control Flow
Adjust.
Code
 
412025-11-18 12:18:21PSTYesMDAVAULTUSGS0.480.42-0.010.60PoorVegetationHeavyNONE
402025-08-07 14:47PDTYesMDAVAULT/JEVUSGS0.00 Unspecified NONE
392025-07-03 15:14:39PDTYesAGUERRIEUSGS0.030.300.000.40PoorVegetationHeavyNONE
382025-05-28 15:16:51PDTYesMDAVAULTUSSG0.260.310.010.50PoorVegetationHeavyNONE
372025-04-24 11:14:03PDTYesMDAVAULTUSGS0.720.310.010.40FairVegetationModerateNONE
362025-03-11 12:54:25PDTYesMDAVAULTUSGS1.280.350.010.60FairVegetationLightNONE
352025-02-10 11:06:31PSTYesTNAKAMURA/RBUSGS10.40.67-0.010.50GoodClearOTHR
34D2025-02-04 17:30PSTYesTNAKAMURA/MDUSGS81.01.850.000.10Poor NONE
34C2025-02-04 17:00PSTYesTNAKAMURA/MDUSGS72.91.740.000.10Poor NONE
34B2025-02-04 11:00PSTYesTNAKAMURA/MDUSGS57.71.600.000.10Poor NONE
34A2025-02-04 09:30PSTYesTNAKAMURA/MDUSGS50.71.470.000.10Poor NONE
342025-01-06 11:26:21PSTYesTNAKAMURAUSGS2.810.420.000.40GoodVegetationLightNONE
33A2024-12-29 12:00PSTYesTNAKAMURA/MDUSGS27.91.040.000.10Poor NONE
332024-12-03 13:04:59PSTYesMDAVAULTUSGS0.480.290.010.40FairVegetationModerateNONE
322024-10-24 12:00PDTYesTNAKAMURA/DMUSGS0.00 UnspecifiedNoFlowNONE
312024-07-17 13:02:25PDTYesMDAVAULTUSGS0.030.260.010.50PoorVegetationHeavyNONE
302024-06-05 13:19:34PDTYesMDAVAULT/JEVUSGS0.350.350.000.70PoorVegetationModerateNONE
292024-04-23 12:38:51PDTYesMDAVAULTUSGS1.720.380.000.40GoodDebrisModerateNONE
282024-03-25 11:49:31PDTYesMDAVAULTUSGS3.380.440.000.60FairDebrisModerateNONE
272024-02-27 13:05:15PSTYesMDAVAULTUSGS5.460.520.000.30GoodClearNONE
262024-01-26 15:37:58PSTYesMDAVAULTUSGS11.50.710.000.40GoodClearNONE
252023-12-22 12:24:09PSTYesMDAVAULTusgs0.540.390.000.50FairVegetationHeavyNONE
242023-10-12 15:45PDTYesTNAKAMURA/MDUSGS0.00 UnspecifiedNoFlowNONE
232023-07-18 14:20:07PDTYesMDAVAULTUSGS0.050.290.000.50PoorVegetationHeavyNONE
222023-06-15 10:52PDTYesMDAVAULTUSGS0.250.340.000.60PoorVegetationHeavyNONE
212023-05-11 14:24:57PDTYesMDAVAULT/LCAUSGS0.840.360.000.50FairVegetationLightNONE
202023-03-23 11:53:30PDTYesMDAVAULTUSGS32.51.14-0.010.60GoodClearNONE
192023-03-01 14:57:40PSTYesMDAVAULTUSGS16.40.810.000.50FairClearNONE
182023-01-25 13:13:10PSTYesMDAVAULTUSGS3.970.450.000.40FairClearNONE
172022-12-29 09:53:18PSTYesMDAVAULTUSGS4.340.480.000.60FairDebrisLightNONE
162022-12-27 14:24:13PSTYesMDAVAULTUSGS22.80.96-0.030.40GoodClearNONE
152022-12-13 12:32:17PSTYesMDAVAULTUSGS0.200.320.000.60FairDebrisModerateNONE
142022-10-19 11:43PDTYesMDAVAULT/BDCUSGS0.00 Unspecified NONE
132022-07-21 12:02:15PDTYesMDAVAULTUSGS0.00 UnspecifiedNoFlowNONE
122022-06-15 17:08:28PDTYesMDAVAULTUSGS0.050.210.000.20PoorDebrisHeavyNONE
112022-05-06 11:03:04PDTYesRCTHOMASUSGS0.210.240.000.40PoorDebrisLightNONE
102022-03-25 14:55:24PDTYesLCANNAR/RCTHUSGS0.290.230.000.60FairVegetationModerateNONE
92022-02-23 14:28:13PSTYesLCANNAR/SMULUSGS0.380.240.000.70FairVegetationLightNONE
8F2021-12-15 14:00PSTNo
7F2019-02-13 12:48PSTNo
6F2019-01-15 13:20PSTNo
5F2017-03-22 14:30PDTNo
4F2016-12-09 11:55PSTNo
3F2015-05-14 15:00PDTNo
2F2011-02-16 11:40PSTNo
1F2010-12-20 11:29PSTNo